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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [Mat4](./rc-js-util.mat4.md) &gt; [TTypeGuardMat4](./rc-js-util.mat4.ttypeguardmat4.md)

## Mat4.TTypeGuardMat4 property

**Signature:**

```typescript
protected TTypeGuardMat4: true;
```